/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.modules.system.service.impl;

import me.zhengjie.modules.system.domain.Poster;
import me.zhengjie.utils.*;
import lombok.RequiredArgsConstructor;
import me.zhengjie.modules.system.repository.PosterRepository;
import me.zhengjie.modules.system.service.PosterService;
import me.zhengjie.modules.system.service.dto.PosterDto;
import me.zhengjie.modules.system.service.dto.PosterQueryCriteria;
import me.zhengjie.modules.system.service.mapstruct.PosterMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;

import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://el-admin.vip
* @description 服务实现
* @author 王宇
* @date 2023-11-30
**/
@Service
@RequiredArgsConstructor
public class PosterServiceImpl implements PosterService {

    private final PosterRepository posterRepository;
    private final PosterMapper posterMapper;

    @Override
    public Map<String,Object> queryAll(PosterQueryCriteria criteria, Pageable pageable){
        Page<Poster> page = posterRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(posterMapper::toDto));
    }

    @Override
    public List<PosterDto> queryAll(PosterQueryCriteria criteria){
        return posterMapper.toDto(posterRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional
    public PosterDto findById(Long id) {
        Poster poster = posterRepository.findById(id).orElseGet(Poster::new);
        ValidationUtil.isNull(poster.getId(),"Poster","id",id);
        return posterMapper.toDto(poster);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public PosterDto create(Poster resources) {
        resources.setCreateTime(DateUtil.TimestampNow());
        resources.setCreateby(SecurityUtils.getCurrentUsername());
        return posterMapper.toDto(posterRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(Poster resources) {
        Poster poster = posterRepository.findById(resources.getId()).orElseGet(Poster::new);
        ValidationUtil.isNull( poster.getId(),"Poster","id",resources.getId());
        poster.copy(resources);
        poster.setUpdateTime(DateUtil.TimestampNow());
        poster.setUpdateby(SecurityUtils.getCurrentUsername());
        posterRepository.save(poster);
    }

    @Override
    public void deleteAll(Long[] ids) {
        for (Long id : ids) {
            posterRepository.deleteById(id);
        }
    }

    @Override
    public void download(List<PosterDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (PosterDto poster : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("海报类型0：个人中心", poster.getPosterType());
            map.put("海报地址", poster.getPosterUrl());
            map.put("创建时间", poster.getCreateTime());
            map.put("更新时间", poster.getUpdateTime());
            map.put("创建人", poster.getCreateby());
            map.put("更新人", poster.getUpdateby());
            map.put("状态，0无效，1：有效", poster.getStatus());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}